This process is nearly instantaneous and solves most "file not supported" errors on smart TVs. Summary of Benefits
This is the secret weapon. Standard encoders see grain as motion and waste bits trying to track it. -tune grain tells FFmpeg: "Relax. That noise is intentional. Just keep the pattern random." brassic s03e05 ffmpeg
If you are using ffmpeg to grab a stream (e.g., an .m3u8 or http stream) to watch offline: This process is nearly instantaneous and solves most